Hardware & Systems

Sevcon, Inc., through its subsidiaries, designs and sells motor controllers under the Sevcon name in the United States, the United Kingdom, France, South Korea, Japan, and China.

Observable Networks, Inc. provides network security technology and threat detection services that identify compromised and misused networked devices.

D-Tech Optoelectronics, Inc., U.S.A designs, manufactures, and markets positive/intrinsic/negative components and avalanche photo diodes for telecommunication systems and data communication networks.

Cable Devices, Inc., doing business as Cable Exchange, manufactures and supplies fiber optic and copper assemblies for voice, data, and video in the United States.

One Stop VoIP LLC manufactures voice over Internet protocol phones and accessories.

Peoria Area Broadcast Tower comprises a broadcast tower.

Alternet Systems, Inc., Point of Sale Technology Assets comprises financial point of sale systems.

Keytroller, LLC engages in the design, manufacture, and supply of safety devices designed for forklifts, construction equipment, aerial lifts, personal carriers, and hazardous transport trucks.

Western Security Systems Inc. distributes residential, ranch, and commercial security devices.

U.S. Sensor, Corp. manufactures thermistors, thermistor probes, and resistance temperature detectors probe assemblies.